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Galaxy High Efficiency Modes

Power Distribution and Digital

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AldebaranLopez
Ensign Ensign
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Galaxy High Efficiency Modes

The Galaxy (VM and VX) UPS offers two types of high efficiency modes:

 

ECO Mode and ECOnversion Mode. Common for both high efficiency modes is that the static bypass switch is used for powering the load through the bypass path. This will reduce power loss as the efficiency of the bypass path is typically around 98% to 99%. This also means that the load is more exposed to unconditioned utility power, and the UPS must therefore monitor the bypass power, react on occurring events and transfer back to inverter operation when needed.

 

The fundamental difference between ECO Mode and ECOnversion Mode is that the inverter is off in ECO Mode whereas it is on in ECOnversion Mode. This means that the load is exposed directly to the

unconditioned utility power in ECO Mode, this is not the case in ECOnversion Mode. Here the inverter is able to run in parallel with the bypass source supplying the reactive part of the load and maintain an input power factor close to unity. In ECOnversion Mode it is possible to transfer back to inverter operation faster compared to ECO Mode, should it be required.

Keeping the inverter on in ECOnversion Mode has a small impact on the efficiency. The efficiency is around 99% in ECO Mode and in ECOnversion up to 99% depending on the connected load.

 

If you want to learn more, look at the following article by  Jesper Johnsen, Kristian Budde:   https://www.se.com/ww/en/download/document/Galaxy_High_Efficiency_Modes/

Alejandro Aldebaran Lopez
Channel Director, Commercial & Industrial; Secure Power Division
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Nedjma
Community Alumni (Retired)
Community Alumni (Retired)
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Re: Galaxy High Efficiency Modes

Hello @AldebaranLopez,

 

Thanks for sharing this information with the community. 🙂

 

 

 

 

See Answer In Context

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Nedjma
Community Alumni (Retired)
Community Alumni (Retired)
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727

Re: Galaxy High Efficiency Modes

Hello @AldebaranLopez,

 

Thanks for sharing this information with the community. 🙂

 

 

 

 

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